Base | Representation |
---|---|
bin | 1000011110001110100101… |
… | …01111001011000010001010 |
3 | 2102222002101002120001212020 |
4 | 10033013102233023002022 |
5 | 4420221344014302244 |
6 | 103342513025425310 |
7 | 3632013544253052 |
oct | 417072257130212 |
9 | 72862332501766 |
10 | 18630808744074 |
11 | 5a3331091720a |
12 | 210a93819b236 |
13 | a51b54496b57 |
14 | 485a43660562 |
15 | 22496b852d19 |
hex | 10f1d2bcb08a |
18630808744074 has 64 divisors (see below), whose sum is σ = 41284063411200. Its totient is φ = 5578927349760.
The previous prime is 18630808744063. The next prime is 18630808744127. The reversal of 18630808744074 is 47044780803681.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 18630808743999 and 18630808744017.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40125999 + ... + 40587650.
It is an arithmetic number, because the mean of its divisors is an integer number (645063490800).
Almost surely, 218630808744074 is an apocalyptic number.
18630808744074 is an abundant number, since it is smaller than the sum of its proper divisors (22653254667126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18630808744074 is a wasteful number, since it uses less digits than its factorization.
18630808744074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80713775.
The product of its (nonzero) digits is 28901376, while the sum is 60.
The spelling of 18630808744074 in words is "eighteen trillion, six hundred thirty billion, eight hundred eight million, seven hundred forty-four thousand, seventy-four".
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